When speaking casually; how do you refer to the country that sits between Canada and Mexico?

USA
United States of America
US
United States
America
Select gender and age to cast your vote:
Updates
+1 y
I usually say the US. I've heard many people from us say America.
Updates
+1 y
God I really need to proofread better. The previous update was supposed to say "I've heard many people from Europe say America."
When speaking casually; how do you refer to the country that sits between Canada and Mexico?
Post Opinion